Pulley block



FIG. 1 is a perspective view showing the front, left and top side of the pulley block, showing my preferred design;

FIG. 2 is a front elevational view of the design of the pulley block shown in FIG. 1;

FIG. 3 is a right side elevational view of the design of the pulley block in FIG. 1;

FIG. 4 is a rear elevational view of the design of the pulley block shown in FIG. 1; and,

FIG. 5 is a left side elevational view of the design of the pulley block shown in FIG. 1;

FIG. 6 is a top plan view of the design of the pulley block in FIG. 1; and,

FIG. 7 is a bottom plan view of the design of the pulley block shown in FIG. 1.

The broken line showing of pulley cable is for illustrative purposes only and forms no part of the claimed design. 

An ornamental design for a pulley block, as shown and described. 